2021. SYNTHESIS, CHARACTERISATION AND FLUORESCENCE SENSING PROPERTIES OF TETRADENTATE N,N’–BIS(SALICYLIDENE)–1,3-PROPANEDIAMINE FOR METAL IONS DETECTION: PRELIMINARY STUDY. Universiti Malaysia Terengganu Journal of Undergraduate Research. 3, 3 (Jul. 2021), 177–182. DOI:https://doi.org/10.46754/umtjur.v3i3.229.